Sam bought 6 baseball trading cards to add to his collection. the next day his dog ate half of his collection. there are now 27 cards left. how many cards did sam start with?

The area of square garden is 300m squared. how long is the diagonal?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

See attachment below and find the equivalent of tan(∠qsr)